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Table 3 Edi Min, Edi Peak, and Respiratory Rate during the various studied statesa,b,c

From: Reference values for diaphragm electrical activity (Edi) in newborn infants

  N Edi Min (μV) Edi Peak (μV) Respiratory Rate
Feeding states
 Pre-prandial 23 3.01 ± 1.14
(CV 0.38)
9.95 ± 3.82
(CV 0.38)
48.57 ± 7.21
 Post-prandial 23 3.34 ± 1.15
(CV 0.34)
10.89 ± 3.82
(CV 0.35)
48.36 ± 6.16
p-value   0.171 0.172 0.883
Resting states
 Asleep 24 2.69 ± 0.82
(CV 0.30)
9.11 ± 2.92
(CV 0.32)
47.37 ± 5.69
 Awake 24 4.07 ± 1.45
(CV 0.36)
13.43 ± 4.49
(CV 0.33)
49.28 ± 6.64
p-value   <0.001 <0.001 0.093
Kangaroo Care
 No skin-to-skin care 24 3.04 ± 0.95
(CV 0.31)
10.14 ± 3.53
(CV 0.35)
47.67 ± 5.40
 Skin-to-skin care 3 2.51 ± 0.32
(CV 0.13)
7.01 ± 0.50
(CV 0.07)
55.20 ± 5.79
p-value   0.099 0.013 0.198
  1. aData is presented as mean ± standard deviation (coefficient of variation)
  2. bEdi min = minimum electrical activity of the diaphragm
  3. cEdi peak = peak electrical activity of the diaphragm